Revision notes on the nervous system. A level biology OCR A revision notes. Notes on module 5: Communication, homeostasis and energy. Summary/ information you need to memorize for a level biology OCR A exams. A* student's revision notes.
Nervous System:
Mammals use both the endocrine and nervous systems to
monitor changes in their internal and external environments
and to respond to them.
The nervous system organisation:
THE NERVOUS SYSTEM
Motor, Relay and Sensory
Neurones.
Glial Cells (e.g. Schwann cells).
CENTRAL NERVOUS SYSTEM PERIPHERAL NERVOUS
(CNS): SYSTEM (PNS):
Coordination, Relay Neurones, Sensory Neurones – Receptors
White Matter (Myelinated) to CNS.
and Grey Matter (Non-
Motor Neurones – CNS to
myelinated).
effector.
BRAIN: SPINAL CORD: AUTONOMIC NERVOUS SOMATIC NERVOUS
Cerebrum, Corpus SYSTEM: SYSTEM:
Collosum, Medulla
Involuntary, controls Voluntary, controls
Oblangata, Hypothalamus.
homeostatic mechanisms, conscious activities, and
and stimulates cardiac and stimulates skeletal
smooth muscle.
SYMPATHETIC: PARASYMPATHETIC:
Antagonistic relationship.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller flcarr23. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.35. You're not tied to anything after your purchase.